On 29 August 2016, 10:26:22 UTC, PrimeGrid’s PPS Mega Prime Search project found the Mega Prime:
The prime is 1,045,732 digits long and will enter Chris Caldwell's The Largest Known Primes Database ranked 154th overall.
The discovery was made by Stephen Norton (spnorton) of the United States using an Intel(R) Core(TM) i5-6500 CPU @ 3.20GHz with 16GB RAM, running Microsoft Windows 7 Professional x64 Edition. This computer took about 55 minutes to complete the primality test using LLR. Stephen is a member of the Alien Prime Cult team.
For more details, please see the official announcement.